The costs for cavity wall insulation will vary depending on the size of your house and the insulating material the contractor deems appropriate.
Cavity wall spray foam insulation cost.
Mid terrace house 370.
If you are unsure whether or not cavity wall insulation is applicable for your property you can speak to a specialist installer to carry out an inspection.
The cavity wall insulation cost estimator will provide you with up to date pricing for your area.
Detached bungalow 430.
For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776.
Board feet a board foot is a useful metric to know when it comes to spray foam installation.
Below are typical costs for installing cavity wall insulation in different types of houses.
Spray foam insulation cost.
For a 200 square foot wall cavity to be filled with spray foam insulation will cost between 300 and 600 again the precise location within the range is determined by the factors above.
That breaks down to anywhere from 0 35 to 2 per board foot installed.
Bungalows are cheaper due to their height with cavity wall insulation for a detached bungalow likely to cost around 400.
A 10 x 10 area equal 100 square feet.
The average cost of applying spray foam insulation is 1 879 with most homeowners reporting costs between 1 024 and 2 948.